319195097 has 12 divisors (see below), whose sum is σ = 350396844. Its totient is φ = 289049280.

The previous prime is 319195061. The next prime is 319195139. The reversal of 319195097 is 790591913.

It can be written as a sum of positive squares in 6 ways, for example, as 6046681 + 313148416 = 2459^2 + 17696^2 .

It is not a de Polignac number, because 319195097 - 2¹⁶ = 319129561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319195007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32147 + ... + 40887.

It is an arithmetic number, because the mean of its divisors is an integer number (29199737).

Almost surely, 2^319195097 is an apocalyptic number.

It is an amenable number.

319195097 is a deficient number, since it is larger than the sum of its proper divisors (31201747).

319195097 is an equidigital number, since it uses as much as digits as its factorization.

319195097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8860 (or 8807 counting only the distinct ones).

The product of its (nonzero) digits is 76545, while the sum is 44.

The square root of 319195097 is about 17866.0319321331. The cubic root of 319195097 is about 683.4164118437.

The spelling of 319195097 in words is "three hundred nineteen million, one hundred ninety-five thousand, ninety-seven".